package Day11.File;

import java.io.File;
import java.io.IOException;

public class Lian10 {
    public static void main(String[] args) throws IOException {
        File file = new File("jinjie\\aaa");
        if (!file.exists()) {
            file.mkdirs();
        } else {
            File file1 = new File(file,"b.txt");
            file1.createNewFile();
        }

    }
}
